Piece of 4 OD 78.1 to ID 66.9mm Auto Hub Centric Rings Wheel Bore Center Spacer | eBay
Amazon.com: AlveyTech Heavy-Duty Rear Wheel Hub with 1" Bore and 1/4" Keyway for Go-Kart - GoKart Steel Hubs for Wheels, fit Axle with 1 Inch OD Keyed Shaft, Lug Hardware Kit Set
BALANCE CASSETTE HUB | Strangerco
HUB, STEEL, 2.25″ OD, 1″ BORE, 1/2″ THICK, 1/4″ KEYWAY, 3 HOLE ON 1-3/4″ BOLT CIRCLE - OMBWarehouse.com
Hub Centric Ring O.D. 93mm I.D. 78.1mm Chevy PU — EZAccessory
END CAPS, REAR, STANS, 3.30SS, 12x142 (17mm OD AXLE HUB ONLY) | Stan's NoTubes
Amazon.com: Wheel Accessories Parts Set of 4 Hub Centric Ring 108mm OD to 106.10mm Hub ID, Polycarbonate (Wheel Hub Ring, 4 Pack, 108 mm OD to 106.10 mm ID Wheel Centerbore, Polycarbonate) : Automotive